Q.3 A hall is to be maintained at 24°C dry bulb temperature and 60% relative humidity under the following conditions: Outdoor conditions: = 38°C DBT and 28°C WBT Sensible heat load in the room= 46.4 kW Latent heat load in the room= 11.6 kW Total infiltration air= 1200 m²/h Apparatus dew point temperature= 10°C Quantity of recirculated air from the hall= 60% If the quantity of recirculated air is mixed with the conditioned air after the cooling coil, draw the process on psychrometric chart and find the following : (a) The condition of air leaving the conditioner coil and before mixing with the

Q.3 A hall is to be maintained at 24°C dry bulb temperature and 60% relative humidity under the following conditions: Outdoor conditions: = 38°C DBT and 28°C WBT Sensible heat load in the room= 46.4 kW Latent heat load in the room= 11.6 kW Total infiltration air= 1200 m²/h Apparatus dew point temperature= 10°C Quantity of recirculated air from the hall= 60% If the quantity of recirculated air is mixed with the conditioned air after the cooling coil, draw the process on psychrometric chart and find the following : (a) The condition of air leaving the conditioner coil and before mixing with the

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Question

Q.3 A hall is to be maintained at 24°C dry bulb temperature and 60% relative
humidity under the following conditions:
Outdoor conditions: = 38°C DBT and 28°C WBT
Sensible heat load in the room= 46.4 kW
Latent heat load in the room= 11.6 kW
Total infiltration air= 1200 m?/h
Apparatus dew point temperature= 10°C
Quantity of recirculated air from the hall= 60%
If the quantity of recirculated air is mixed with the conditioned air after the cooling
coil, draw the process on psychrometric chart and find the following :
(a) The condition of air leaving the conditioner coil and before mixing with the
recirculated air;
(b) The condition of air before entering the hall;
(c) The mass of air entering the cooler;
(d) The mass of total air passing through the hall.

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